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Carl averaged \(2\, m\) miles per hour on a trip that took him \(h\) hours. If Ruth made the same trip in \(\dfrac23\,h\) hours, what was her average speed in miles per hour?
A. \(\dfrac13 \, mh\)
B. \(\dfrac23 \, mh\)
C. \(m\)
D. \(\dfrac{3m}2\)
E. \(3m\)
Answer: E
Source: Official Guide
A. \(\dfrac13 \, mh\)
B. \(\dfrac23 \, mh\)
C. \(m\)
D. \(\dfrac{3m}2\)
E. \(3m\)
Answer: E
Source: Official Guide
